Table 3 The properties of the foam agent used in this paper.

From: Study on properties of straw fiber steel slag foam concrete

Physical attributes

Density (kg/l)

PH VALUE

Chloride content (Cl)

Alkali content

Freezing point

Synthetic liquid air-entraining

1.05 ± 0.02

4.5 ± 1

< 0.1%

< 5%

− 5 °C